Patents Assigned to Jean Davis Callaghan
  • Patent number: 4877269
    Abstract: A board book for preschool children comprising a plurality of generally quadrilateral panels in side-by-side, congruent, stacked, relation, to define the book top edging, outside edging, bottom edging, and inside edging, with the panels being bound together at their inside edges to form the book spine, and for connecting consecutive of the book panels to the book spine for, when the book lies flat, approximate 180 degree free swinging movement relation relative to the book spine from positioning at one side of the book spine to the other side of the book spine, in paging the consecutive panels through the book, with the book front and rear panels being similar in fabrication to the book intermediate panels, and with those of the book panels following the book front panel, at their respective outside edges, being consecutively progressively indented toward the book spine, through the book rear panel, for, when the book lies flat, as on its rear panel, permitting a preschooler to readily page through the book u
    Type: Grant
    Filed: November 24, 1987
    Date of Patent: October 31, 1989
    Assignee: Jean Davis Callaghan
    Inventors: Jean D. Callaghan, Robert J. Lane